Voltage Drop Wire Calc
Voltage Drop Wire Calc is a local-first iPhone planning utility for checking voltage drop, comparing conductor materials, and reviewing recommended minimum wire sizes without remote sync.
Launch scope
- Check single-phase, three-phase, and DC 2-wire voltage drop
- Compare copper and aluminum wire-size recommendations
- Save recurring jobs and reuse them from the local library
FAQ
Does it work offline?
Yes. Calculations, saved
jobs, history, and settings all run on device.
Do I need an account?
No. The launch build does
not include sign-in, account creation, or demo credentials.
Which circuit types are supported?
Version 1
supports single-phase, three-phase, and DC 2-wire calculations.
What length should I enter?
Enter one-way
length, not total loop length. The app applies the standard circuit
multiplier internally when it calculates voltage drop.
Does the recommendation guarantee code compliance?
No. The app is a planning and checking aid. You still need to
verify ampacity, temperature limits, conduit fill, termination rules,
and the applicable electrical code before installation.
Does it upload my saved jobs?
No. Saved jobs,
recent checks, and settings stay on your device.
How do I report an issue?
Email the support
address with your device model, iOS version, app version, and the
calculation input that produced the problem.